Essentials of Algebra for Secondary SchoolsD.C. Heath & Company, 1897 - 411 σελίδες |
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Σελίδα 131
... train is and it covers 180 miles in two hours slow train . Find the rate of each train . that of a slow train , less time than the out , B 20 A travels 35. Two men , A and B , 57 miles apart , set minutes after A , and travel towards ...
... train is and it covers 180 miles in two hours slow train . Find the rate of each train . that of a slow train , less time than the out , B 20 A travels 35. Two men , A and B , 57 miles apart , set minutes after A , and travel towards ...
Σελίδα 134
... train whose rate is 36 miles an hour starts 54 minutes after a slow train , and overtakes it in 1 hour 48 minutes . What is the rate of the slow train ? 60. At what time between 10 and 11 is the minute - hand of a watch 25 minutes in ...
... train whose rate is 36 miles an hour starts 54 minutes after a slow train , and overtakes it in 1 hour 48 minutes . What is the rate of the slow train ? 60. At what time between 10 and 11 is the minute - hand of a watch 25 minutes in ...
Σελίδα 159
... train is five - thirds that of a slow train , and it travels 36 miles in 32 minutes less time than the slow train . Find the rate of each in miles an hour . 37. Divide $ 396 among A , B , C , and D , so that A may receive one - half the ...
... train is five - thirds that of a slow train , and it travels 36 miles in 32 minutes less time than the slow train . Find the rate of each in miles an hour . 37. Divide $ 396 among A , B , C , and D , so that A may receive one - half the ...
Σελίδα 161
... train would have been only 1 hour late . Find the rate of the train before the accident , and the distance to B from the point of detention . Let 3x the number of miles an hour of the train before the = Then , x = accident . - the ...
... train would have been only 1 hour late . Find the rate of the train before the accident , and the distance to B from the point of detention . Let 3x the number of miles an hour of the train before the = Then , x = accident . - the ...
Σελίδα 162
... train before the accident was 30 miles an hour . Substituting in ( 1 ) , y y y + 5 , or = 5 . 10 30 15 Whence , y = 75 . 50. A train running from A to B meets with an accident which delays it 45 minutes ; it then proceeds at five ...
... train before the accident was 30 miles an hour . Substituting in ( 1 ) , y y y + 5 , or = 5 . 10 30 15 Whence , y = 75 . 50. A train running from A to B meets with an accident which delays it 45 minutes ; it then proceeds at five ...
Άλλες εκδόσεις - Προβολή όλων
Συχνά εμφανιζόμενοι όροι και φράσεις
25 cents 40 cents 9 x² a²b a²b² a³b ab² ab³ Algebra arithmetic means arithmetic progression ax² Binomial Binomial Theorem change the sign Chemistry coefficient common factor Completing the square cube root denominator digits dimes Divide divisor equal EXAMPLES exponent Extracting the square Find the numbers Find the value following equations following rule geometric given equation Hence laboratory less Let the proportion logarithm m²n mantissa members the square miles an hour monomial Multiplying negative number Note number of dollars partial fractions perfect square polynomial positive integer quadratic equation quotient radical sign ratio remainder result second term solution Solve the equation Solve the following square root Substituting Subtracting Transposing unknown quantities Wells's Whence x²y xy² xy³
Δημοφιλή αποσπάσματα
Σελίδα 256 - In any proportion, the terms are in proportion by Composition ; that is, the sum of the first two terms is to the first term as the sum of the last two terms is to the third term.
Σελίδα 244 - To express that the ratio of A to B is equal to the ratio of C to D, we write the quantities thus : A : B : : C : D ; and read, A is to B as C to D.
Σελίδα 357 - Teacher's Manual to Sheldon's History. Puts into the instructor's hand the key to the above system.
Σελίδα 31 - Divide the first term of the dividend by the first term of the divisor, and write the result as the first term of the quotient.
Σελίδα 357 - Hall's Method of Teaching History. " Its excellence and helpfulness ought to secure it many readers,
Σελίδα 49 - The square of the difference of two quantities is equal to the square of the first minus twice the product of the first by the second, plus the square of the second.
Σελίδα 247 - In a series of equal ratios, any antecedent is to its consequent, as the sum of all the antecedents is to the sum of all the consequents. Let a: 6 = c: d = e :/. Then, by Art.
Σελίδα 256 - In any proportion the terms are in proportion by Alternation ; that is, the first term is to the third as the second term is to the fourth.
Σελίδα 59 - Arts. 200 and 201 we derive the following rule : Extract the required root of the numerical coefficient, and divide the exponent of each letter by the index of the root.
Σελίδα 289 - The logarithm of a product is equal to the sum of the logarithms of its factors.